rouge-ruby / rouge

A pure Ruby code highlighter that is compatible with Pygments

mbj / mutant

Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?

freerange / mocha

A mocking and stubbing library for Ruby

cucumber / aruba

Test command-line applications with Cucumber-Ruby, RSpec or Minitest.

minitest-reporters / minitest-reporters

:page_with_curl: Create customizable MiniTest output formats.